Demonix

The outfit is The Demonix, made by the now close Pretty Pervy. It has an inflatable tail, tentacles on the hood and "lips".
Hair and make-up by Hearse Elf
Contacts from Yobe Cosplay - https://www.facebook.com/yobe.cosplay/

Pentagram and thigh boots from my collection as well, ballets shoes are the models'